67% (2003)

52% (2005)

60% (2017)

67% (2004)

43% (2008)

58% (2012)

70% (2007)

64% (2008)

55% (2005)

45% (2008)

66% (2005)

66% (2009)

53% (2008)

57% (2007)

45% (2005)

47% (2007)

62% (2013)

59% (2010)

61% (2012)

51% (2006)